Chair



FIG. 1 is a top left-front perspective view of a chair showing my new design;

FIG. 2 is a front perspective view thereof;

FIG. 3 is a top perspective view thereof;

FIG. 4 is a rear perspective view thereof; and

FIG. 5 is a top and right side perspective view thereof. 

The ornamental design for a chair, as shown and described. 